Alpha Lipoic Acid (dl-Thioctic Acid)
Features:
1) Use: medicine of Vitamin, Acute and chronic hepatitis, cirrhosis, hepatic coma, fatty liver 2) Character: slightly yellow crystal or powder; almost odorless, it dissolves difficultly in water, but easily in alcohol, ether, and chloroform 3) Notification: should be stored in ventilated and dry storehouses. It must be noted that the product guards against damp and keeps in dark place 4) Appearance: slightly yellow crystal powder, almost odorless 5) Identification: lead Acetate test and UV method IR: positive 6) Solubility (in NaOH): clear and pale yellow 7) Melting point: 60 ~ 62oC 8) Heavy metals: 10ppm max. 9) Loss on drying: 0.50% max. 10) Chloride: 0.07% max. 11) Residue on ignition: 0.10% max. Related substance by HPLC: 1) 6.8-Epitrithlooctanolic acid(EPI): 0.20% max. 2) Single impurity: 0.10% max. 3) Total imurities: 0.50% max. 4) Residual slovene by GC 5) Hexamethylene: 500ppm max. 6) Ethyl acetate: 250ppm max. 7) Toluene: 20ppm max. 8) Total aerobes counts: 1,000CFU/g 9) Moulds and Yeasts: 100CFU/g 10) E.coli/Salmonella: absence/g 11) Staphylococcus aureate: absence/g 12) Assay: 99%-101% Packing: 5kg or 25kg/cardboard buckets lined with polyethylene bag inside